How To Turn Off A Water Heater that is Leaking

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If your water heater is leaking, follow the instructions below to turn off your leaking water heater. You can also call 1-800-835-8041 and one of our water heater experts will talk you through turning off your water heater.

1. TURN OFF THE POWER SOURCE – Electric or Gas:

Gas Water Heaters: 

Twist the dial on the front or top of the thermostat from the “on” to the “off” position. This will turn off the gas before it arrives at the water heater. If you ever smell gas – exit the home immediately and contact the gas company.

Older thermostat and gas control for your water heater        How to turn off a leaking gas water heater

Electric Water Heaters:

Carrollton breaker box

Find your breaker box and flip the breaker for your electric water heater. If your water heater has a disconnect switch close to the water heater, simply turn off the switch to turn off power to the water heater.


Find the cold side water pipe connected to the water heater. Follow the water pipe back to the source or the wall – there you should see a water shut off valve.

Water heater gate valve

Gate Valve:

If you have an old style (Gate) turn faucet handle – Twist the handle clockwise until it stops. This should turn of the water.

Ball valve water heater shut off.

Ball Valve:

If you have a newer lever style ball valve. Push or pull the handle a quarter turn – this should turn off the water.


Water heater drain valve

Drain the water heater if necessary to avoid any damage. Connect a garden hose to the bottom drain valve on the water heater. Run the other end of the hose to a lower location where rusty or hot water will not cause damage. Hot water can damage grass and plants. Open the valve on the water heater by turning the knob or insert a screwdriver into the notch and turn. Open the hot side faucet in the sink closest to the water heater. This will release the vacuum seal and let the water drain out of the water heater. Allow 10-30 minutes for the water heater to drain.

What should you do now that you have turned off your leaking water heater? Contact us 24/7/35 to discuss options about repairing or replacing your hot water heater.  Our experts are happy to help answer questions about possible problems.

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